field_size=45;
EyeField=zeros(field_size);
center=[1+int16(field_size/2), 1+int16(field_size/2)];
obj1=[5 5];
obj2=[5 12];
EyeField(obj1)=1;
EyeField(obj2)=1;
duration=50;
sim_clk=0;
IPS_ctr_map=zeros(field_size);
IPS_ctr_map(1+int16(field_size/2), 1+int16(field_size/2))=1;
IPS_mem=zeros(field_size);
total_period = 5000;
